diff --git a/core/modules/block/block.install b/core/modules/block/block.install
index 16d70b8..6cdb67c 100644
--- a/core/modules/block/block.install
+++ b/core/modules/block/block.install
@@ -128,7 +128,7 @@ function block_update_8003() {
     'length' => 255,
     'not null' => TRUE,
     'default' => '',
-    'description' => 'Custom title for the block. (Empty string will use block default title, '- None -' will remove the title, text will cause block to use specified title.)',
+    'description' => 'Custom title for the block. (Empty string will use block default title, - None - will remove the title, text will cause block to use specified title.)',
     'translatable' => TRUE,
     )
   );